Enable the Stale integration

Right now we have a ton of old, stale tickets and this should allow us to get a hold of the problem and try to get ahead of it.

Author: kevin-brown

.github/stale.yml

@@ -0,0 +1,14 @@
+# Number of days of inactivity before an issue becomes stale
+daysUntilStale: 60
+# Number of days of inactivity before a stale issue is closed
+daysUntilClose: 7
+# Issues with these labels will never be considered stale
+# Label to use when marking an issue as stale
+staleLabel: "status: stale"
+# Comment to post when marking an issue as stale. Set to `false` to disable
+markComment: >
+  This issue has been automatically marked as stale because it has not had
+  recent activity. It will be closed if no further activity occurs. Thank you
+  for your contributions.
+# Comment to post when closing a stale issue. Set to `false` to disable
+closeComment: false